<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<script src="../../js/common/js/jquery-3.4.1.js" type="text/javascript" charset="utf-8"></script>
		<script type="text/javascript">
			$(function(){
				//包含link的标签的href属性为index.html  title属性为test
     		$("a:nth-child(3)").attr({
     			"href":"index.html",
     			"title":"test"
     		});
        //获取p标签的class
       
        //将p标签的class属性改成class+another
       
        //点击link交替两种样式
			})
		</script>
			
		
</head>

<body>
<h3>例子</h3>
	<a href="#">link1</a>
	<a href="#">link</a>	
	<a href="#">lnk</a>
</body>
</html>
